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list_of attributes

Source: R/type-list-of.R
list-of-attributes.Rd

  • list_of_ptype() returns the ptype required by the list_of. If no ptype is required, then NULL is returned.

  • list_of_size() returns the size required by the list_of. If no size is required, then NULL is returned.

Usage

list_of_ptype(x)

list_of_size(x)

Arguments

x

A list_of.

Examples

x <- list_of(1, 2)
list_of_ptype(x)
#> numeric(0)
list_of_size(x)
#> NULL

x <- list_of(.ptype = integer(), .size = 5)
list_of_ptype(x)
#> integer(0)
list_of_size(x)
#> [1] 5